OPERATOR SAYS THAT HE HANDED A GREASE GUN AND HOSE TO HIS PARTNER FROM THE GROUND LEVEL TO GREASE THE PORTION OF #2 CONVEYOR DRIVE THAT IS ON THE OPPER DECK. HE SAYS HE SLIPPED AND FELL IN WET BAUXITE WHEN HE ATTEMPTED TO STEP OUT OF THE WAY OF FALLING BAUXITE DUST. HE SAYS THAT HE HURT HIS SHOULDER WHEN HE TRIED TO BREAK HIS FALL WITH HIS LEFT HAND AND ARM, RESULTING IN A STRAIN.